1 /* Copyright (C) 1995-1998 Eric Young ([email protected]) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young ([email protected]). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson ([email protected]). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young ([email protected])" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson ([email protected])" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57 #ifndef OPENSSL_HEADER_DECREPIT_MACROS_H 58 #define OPENSSL_HEADER_DECREPIT_MACROS_H 59 60 #include "../crypto/internal.h" 61 62 63 // NOTE - c is not incremented as per n2l 64 #define n2ln(c, l1, l2, n) \ 65 { \ 66 c += n; \ 67 l1 = l2 = 0; \ 68 switch (n) { \ 69 case 8: \ 70 l2 = ((uint32_t)(*(--(c)))); \ 71 OPENSSL_FALLTHROUGH; \ 72 case 7: \ 73 l2 |= ((uint32_t)(*(--(c)))) << 8; \ 74 OPENSSL_FALLTHROUGH; \ 75 case 6: \ 76 l2 |= ((uint32_t)(*(--(c)))) << 16; \ 77 OPENSSL_FALLTHROUGH; \ 78 case 5: \ 79 l2 |= ((uint32_t)(*(--(c)))) << 24; \ 80 OPENSSL_FALLTHROUGH; \ 81 case 4: \ 82 l1 = ((uint32_t)(*(--(c)))); \ 83 OPENSSL_FALLTHROUGH; \ 84 case 3: \ 85 l1 |= ((uint32_t)(*(--(c)))) << 8; \ 86 OPENSSL_FALLTHROUGH; \ 87 case 2: \ 88 l1 |= ((uint32_t)(*(--(c)))) << 16; \ 89 OPENSSL_FALLTHROUGH; \ 90 case 1: \ 91 l1 |= ((uint32_t)(*(--(c)))) << 24; \ 92 } \ 93 } 94 95 // NOTE - c is not incremented as per l2n 96 #define l2nn(l1, l2, c, n) \ 97 { \ 98 c += n; \ 99 switch (n) { \ 100 case 8: \ 101 *(--(c)) = (unsigned char)(((l2)) & 0xff); \ 102 OPENSSL_FALLTHROUGH; \ 103 case 7: \ 104 *(--(c)) = (unsigned char)(((l2) >> 8) & 0xff); \ 105 OPENSSL_FALLTHROUGH; \ 106 case 6: \ 107 *(--(c)) = (unsigned char)(((l2) >> 16) & 0xff); \ 108 OPENSSL_FALLTHROUGH; \ 109 case 5: \ 110 *(--(c)) = (unsigned char)(((l2) >> 24) & 0xff); \ 111 OPENSSL_FALLTHROUGH; \ 112 case 4: \ 113 *(--(c)) = (unsigned char)(((l1)) & 0xff); \ 114 OPENSSL_FALLTHROUGH; \ 115 case 3: \ 116 *(--(c)) = (unsigned char)(((l1) >> 8) & 0xff); \ 117 OPENSSL_FALLTHROUGH; \ 118 case 2: \ 119 *(--(c)) = (unsigned char)(((l1) >> 16) & 0xff); \ 120 OPENSSL_FALLTHROUGH; \ 121 case 1: \ 122 *(--(c)) = (unsigned char)(((l1) >> 24) & 0xff); \ 123 } \ 124 } 125 126 #define l2n(l, c) \ 127 (*((c)++) = (unsigned char)(((l) >> 24L) & 0xff), \ 128 *((c)++) = (unsigned char)(((l) >> 16L) & 0xff), \ 129 *((c)++) = (unsigned char)(((l) >> 8L) & 0xff), \ 130 *((c)++) = (unsigned char)(((l)) & 0xff)) 131 132 #define n2l(c, l) \ 133 (l = ((uint32_t)(*((c)++))) << 24L, l |= ((uint32_t)(*((c)++))) << 16L, \ 134 l |= ((uint32_t)(*((c)++))) << 8L, l |= ((uint32_t)(*((c)++)))) 135 136 137 #endif // OPENSSL_HEADER_DECREPIT_MACROS_H 138